package com.beijing.reflection;

/**
 * @Author Ma Wenqi
 * @Date 2021/3/28 20:13
 * @Version 1.0
 */
public class Demo02 {
    public static void main(String[] args) throws ClassNotFoundException {
        Person s1 = new Student();
        System.out.println("这个人是"+s1.name);

        //方式一： 通过对象获得
        Class c1 = s1.getClass();
        System.out.println(c1.hashCode());

        //方式二：forname 获得
        Class c2 = Class.forName("com.beijing.reflection.Student");
        System.out.println(c2.hashCode());

        //方式三： 通过类名。class获得
        Class c3 = Student.class;
        System.out.println(c3.hashCode());

        //方式四： 基本内置类型的包装类都有一个Type属性
        Class c4 = Integer.TYPE;
        System.out.println(c4);

        //获得父类类型
        Class c5 = c1.getSuperclass();
        System.out.println(c5);
    }

}

class Person {
    public String name;

    public Person() {
    }

    public Person(String name) {
        this.name = name;
    }

    @Override
    public String toString() {
        return "Person{" +
                "name='" + name + '\'' +
                '}';
    }
}

class Student extends Person {
    public Student() {
        this.name = "Student";
    }
}

class Teacher extends Person {
    public Teacher() {
        this.name = "Teacher";
    }
}

